Computer system



FIG. 1 is a front perspective view of a computer system;

FIG. 2 is a top view of a computer system;

FIG. 3 is a front view of a computer system; and,

FIG. 4 is a bottom view of a computer system.

The broken lines throughout the drawings are included for the purpose of illustrating portions of the system that form no part of the claimed design. 

The ornamental design for a computer system, as shown and described. 